Radeon HD 6550A vs Radeon RX 640
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6550A and Radeon RX 640. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6550A and Radeon RX 640. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon HD 6550A
Radeon RX 640 is a Laptop Graphics Card
Note: Radeon RX 640 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 640 here:
Main Specs
| Radeon HD 6550A | Radeon RX 640 | |
| Power consumption (TDP) | 35 Watt | 50 Watt |
| Interface | MXM-A (3.0) | PCIe 3.0 x8 |
| Supplementary power connectors | None | |
| Memory type | GDDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
| Check Price |
- Radeon RX 640 has 42% more power consumption, than Radeon HD 6550A.
- Radeon HD 6550A is connected by MXM-A (3.0), and Radeon RX 640 uses PCIe 3.0 x8 interface.
- Radeon RX 640 has 2 GB more memory, than Radeon HD 6550A.
- Radeon HD 6550A is used in Desktops, and Radeon RX 640 - in Laptops.
- Radeon HD 6550A is build with TeraScale 2 architecture, and Radeon RX 640 - with Polaris.
- Core clock speed of Radeon RX 640 is 668 MHz higher, than Radeon HD 6550A.
- Radeon HD 6550A is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
- Memory clock speed of Radeon RX 640 is 4400 MHz higher, than Radeon HD 6550A.
Game benchmarks
| high / 1080p | 0−1 | 5−6 |
| ultra / 1080p | − | 3−4 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 1−2 | 16−18 |
| medium / 1080p | 0−1 | 7−8 |
| The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 1600% more, than Radeon HD 6550A. | ||
| high / 1080p | − | 10−12 |
| ultra / 1080p | − | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 0−1 | 24−27 |
| medium / 1080p | − | 10−12 |
| low / 768p | 50−55 | 45−50 |
| high / 1080p | 45−50 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon HD 6550A in Call of Duty: Warzone is 11% more, than Radeon RX 640. | ||
| low / 768p | 60−65 | 130−140 |
| medium / 768p | 27−30 | 100−110 |
| ultra / 1080p | 7−8 | 50−55 |
| QHD / 1440p | − | 27−30 |
| 4K / 2160p | − | 12−14 |
| high / 768p | 16−18 | 80−85 |
| The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 232% more, than Radeon HD 6550A. | ||
| low / 768p | 70−75 | 50−55 |
| ultra / 1080p | 0−1 | 18−20 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of Radeon HD 6550A in Cyberpunk 2077 is 20% more, than Radeon RX 640. | ||
| low / 768p | 45−50 | 80−85 |
| medium / 768p | 10−11 | 55−60 |
| ultra / 1080p | 0−1 | 30−35 |
| The average gaming FPS of Radeon RX 640 in Dota 2 is 141% more, than Radeon HD 6550A. | ||
| high / 1080p | − | 7−8 |
| ultra / 1080p | − | 5−6 |
| 4K / 2160p | − | 5−6 |
| low / 720p | 0−1 | 18−20 |
| medium / 1080p | − | 8−9 |
| high / 1080p | − | 7−8 |
| ultra / 1080p | − | 0−1 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 21−24 | 60−65 |
| medium / 1080p | 0−1 | 18−20 |
| The average gaming FPS of Radeon RX 640 in Fortnite is 181% more, than Radeon HD 6550A. | ||
| high / 1080p | 0−1 | 10−11 |
| QHD / 1440p | 0−1 | − |
| 4K / 2160p | − | 8−9 |
| low / 720p | 0−1 | 24−27 |
| medium / 1080p | 0−1 | 12−14 |
| low / 768p | 18−20 | 50−55 |
| high / 1080p | 0−1 | 10−12 |
| ultra / 1080p | − | 5−6 |
| QHD / 1440p | 0−1 | − |
| medium / 720p | 12−14 | 45−50 |
| The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 212% more, than Radeon HD 6550A. | ||
| high / 1080p | − | 3−4 |
| ultra / 1080p | − | 1−2 |
| low / 720p | 0−1 | 10−11 |
| medium / 1080p | − | 5−6 |
| low / 768p | 75−80 | 90−95 |
| high / 1080p | 27−30 | − |
| ultra / 1080p | − | 80−85 |
| The average gaming FPS of Radeon RX 640 in Minecraft is 19% more, than Radeon HD 6550A. | ||
| high / 1080p | − | 6−7 |
| ultra / 1080p | − | 2−3 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 8−9 | 27−30 |
| medium / 1080p | − | 10−11 |
| The average gaming FPS of Radeon RX 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 250% more, than Radeon HD 6550A. | ||
| low / 720p | 0−1 | 10−12 |
| medium / 1080p | − | 9−10 |
| low / 768p | 0−1 | 21−24 |
| medium / 768p | − | 14−16 |
| high / 1080p | − | 6−7 |
| ultra / 1080p | − | 4−5 |
| 4K / 2160p | − | 3−4 |
| low / 768p | 45−50 | 75−80 |
| medium / 768p | 14−16 | 40−45 |
| ultra / 1080p | 0−1 | 18−20 |
| high / 768p | 12−14 | 35−40 |
| The average gaming FPS of Radeon RX 640 in World of Tanks is 108% more, than Radeon HD 6550A. | ||
Full Specs
| Radeon HD 6550A | Radeon RX 640 | |
| Architecture | TeraScale 2 | Polaris |
| Code name | Pinewood | Polaris 12 |
| Type | Desktop | Laptop |
| Release date | 7 February 2011 | 12 August 2019 |
| Pipelines | 480 | 640 |
| Core clock speed | 550 MHz | 1218 MHz |
| Boost Clock | 1218 MHz | |
| Transistor count | 627 million | 2,200 million |
| Manufacturing process technology | 40 nm | 14 nm |
| Texture fill rate | 13.20 | 38.98 |
| Floating-point performance | 624.0 gflops | |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 1600 MHz | 6000 MHz |
| Memory bandwidth | 25.6 GB/s | 112.0 GB/s |
| Shared memory | - | |
| DirectX | 11.2 (11_0) | 12 (12_0) |
| Shader Model | 5.0 | 6.4 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | N/A | 1.2.131 |
| FreeSync | + | |
| Laptop size | large | |
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